Home / 1,303,159.32-1,798,371.78-722,388.71

Finding the Fourth Proportional to 1,303,159.32, 1,798,371.78 and 722,388.71

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Solution

The fourth proportional to 1,303,159.32, 1,798,371.78 and 722,388.71 is: 996,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,159.32 : 1,798,371.78 = 722,388.71 : x
  2. Step 2: Convert to fraction form
    1,303,159.32/1,798,371.78 = 722,388.71/x
  3. Step 3: Cross multiply
    1,303,159.32x = 1,798,371.78 × 722,388.71
  4. Step 4: Simplify right side
    1,303,159.32x = 1,299,123,470,254.60
  5. Step 5: Solve for x
    x = 1,299,123,470,254.60/1,303,159.32
  6. Step 6: Final answer
    x = 996,903.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.